Function fx_parseURLPercentEncode

modules/data/url/url.c:1330–1392

}

void fx_parseURLPercentEncode(txMachine* the, txInteger c, txStringStream* dst, const char* set)
{
	txSize length;
	txString string;
	if (c < 0x80) {
		if (c_read8(set + c))
			length = 3;
		else
			length = 1;
	}
	else if (c < 0x800) {
		length = 6;
	}
	else if (c < 0x10000) {
		length = 9;
	}
	else {
		length = 12;
	}
	if (dst->offset + length >= dst->size) {
		txSize size = fxAddChunkSizes(the, dst->offset, length + 1);
		txString string = fxRenewChunk(the, dst->slot->value.string, size);
		if (!string) {
			string = (txString)fxNewChunk(the, size);
			c_memcpy(string, dst->slot->value.string, dst->offset);
		}
		dst->slot->value.string = string;
		dst->size = size;
	}
	string = dst->slot->value.string + dst->offset;
	if (length == 1)
		*string++ = (char)c;
	else if (length == 3) {
		*string++ = '%';
		string = fxStringifyHexEscape(string, c);
	}
	else if (length == 6) {
		*string++ = '%';
		string = fxStringifyHexEscape(string, 0xC0 | (c >> 6));
		*string++ = '%';
		string = fxStringifyHexEscape(string, 0x80 | (c & 0x3F));
	}
	else if (length == 9) {
		*string++ = '%';
		string = fxStringifyHexEscape(string, 0xE0 | (c >> 12));
		*string++ = '%';
		string = fxStringifyHexEscape(string, 0x80 | ((c >> 6) & 0x3F));
		*string++ = '%';
		string = fxStringifyHexEscape(string, 0x80 | (c & 0x3F));
	}
	else {
		*string++ = '%';
		string = fxStringifyHexEscape(string, 0xF0 | (c >> 18));
		*string++ = '%';
		string = fxStringifyHexEscape(string, 0x80 | ((c >> 12) & 0x3F));
		*string++ = '%';
		string = fxStringifyHexEscape(string, 0x80 | ((c >> 6) & 0x3F));
		*string++ = '%';